diff --git a/Dockerfiles/server-mysql/README.md b/Dockerfiles/server-mysql/README.md
index ecd585e2f..a31108e9a 100644
--- a/Dockerfiles/server-mysql/README.md
+++ b/Dockerfiles/server-mysql/README.md
@@ -172,7 +172,7 @@ ZBX_SOURCEIP=
 ZBX_HOUSEKEEPINGFREQUENCY=1
 ZBX_MAXHOUSEKEEPERDELETE=5000
 ZBX_PROBLEMHOUSEKEEPINGFREQUENCY=60 # Available since 6.0.0
-ZBX_SENDERFREQUENCY=30
+ZBX_SENDERFREQUENCY=30 # Depcrecated since 3.4.0
 ZBX_CACHESIZE=8M
 ZBX_CACHEUPDATEFREQUENCY=10
 ZBX_STARTDBSYNCERS=4
diff --git a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
index e35e39767..6b354006e 100755
--- a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
@@ -440,7 +440,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
index f00a49aea..3fab56202 100755
--- a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
@@ -437,7 +437,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
index f00a49aea..3fab56202 100755
--- a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
@@ -437,7 +437,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
index f00a49aea..3fab56202 100755
--- a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
@@ -437,7 +437,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
index 04f2cbf1f..e0c2e89ab 100755
--- a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
@@ -437,7 +437,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "HousekeepingFrequency" "${ZBX_HOUSEKEEPINGFREQUENCY}"
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-pgsql/README.md b/Dockerfiles/server-pgsql/README.md
index 057246bf7..b6ebacc53 100644
--- a/Dockerfiles/server-pgsql/README.md
+++ b/Dockerfiles/server-pgsql/README.md
@@ -173,7 +173,7 @@ ZBX_SOURCEIP=
 ZBX_HOUSEKEEPINGFREQUENCY=1
 ZBX_MAXHOUSEKEEPERDELETE=5000
 ZBX_PROBLEMHOUSEKEEPINGFREQUENCY=60 # Available since 6.0.0
-ZBX_SENDERFREQUENCY=30
+ZBX_SENDERFREQUENCY=30 # Depcrecated since 3.4.0
 ZBX_CACHESIZE=8M
 ZBX_CACHEUPDATEFREQUENCY=10
 ZBX_STARTDBSYNCERS=4
diff --git a/Dockerfiles/server-pgsql/alpine/docker-entrypoint.sh b/Dockerfiles/server-pgsql/alpine/docker-entrypoint.sh
index b994c800d..2f0626e5a 100755
--- a/Dockerfiles/server-pgsql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/server-pgsql/alpine/docker-entrypoint.sh
@@ -474,7 +474,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-pgsql/centos/docker-entrypoint.sh b/Dockerfiles/server-pgsql/centos/docker-entrypoint.sh
index b994c800d..2f0626e5a 100755
--- a/Dockerfiles/server-pgsql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/server-pgsql/centos/docker-entrypoint.sh
@@ -474,7 +474,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-pgsql/ol/docker-entrypoint.sh b/Dockerfiles/server-pgsql/ol/docker-entrypoint.sh
index b994c800d..2f0626e5a 100755
--- a/Dockerfiles/server-pgsql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/server-pgsql/ol/docker-entrypoint.sh
@@ -474,7 +474,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/server-pgsql/ubuntu/docker-entrypoint.sh b/Dockerfiles/server-pgsql/ubuntu/docker-entrypoint.sh
index 4027e3e54..36bef8847 100755
--- a/Dockerfiles/server-pgsql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/server-pgsql/ubuntu/docker-entrypoint.sh
@@ -474,7 +474,6 @@ update_zbx_config() {
 
     update_config_var $ZBX_CONFIG "MaxHousekeeperDelete" "${ZBX_MAXHOUSEKEEPERDELETE}"
     update_config_var $ZBX_CONFIG "ServiceManagerSyncFrequency" "${ZBX_PROBLEMHOUSEKEEPINGFREQUENCY}"
-    update_config_var $ZBX_CONFIG "SenderFrequency" "${ZBX_SENDERFREQUENCY}"
 
     update_config_var $ZBX_CONFIG "CacheSize" "${ZBX_CACHESIZE}"
 
diff --git a/Dockerfiles/snmptraps/alpine/conf/etc/logrotate.d/zabbix_snmptraps b/Dockerfiles/snmptraps/alpine/conf/etc/logrotate.d/zabbix_snmptraps
index 70d611eee..2f2994e71 100644
--- a/Dockerfiles/snmptraps/alpine/conf/etc/logrotate.d/zabbix_snmptraps
+++ b/Dockerfiles/snmptraps/alpine/conf/etc/logrotate.d/zabbix_snmptraps
@@ -3,6 +3,7 @@
     missingok
     daily
     rotate 0
-    minsize 50M notifempty
+    minsize 50M
+    notifempty
     su zabbix zabbix
 }
diff --git a/Dockerfiles/snmptraps/centos/conf/etc/logrotate.d/zabbix_snmptraps b/Dockerfiles/snmptraps/centos/conf/etc/logrotate.d/zabbix_snmptraps
index 70d611eee..2f2994e71 100644
--- a/Dockerfiles/snmptraps/centos/conf/etc/logrotate.d/zabbix_snmptraps
+++ b/Dockerfiles/snmptraps/centos/conf/etc/logrotate.d/zabbix_snmptraps
@@ -3,6 +3,7 @@
     missingok
     daily
     rotate 0
-    minsize 50M notifempty
+    minsize 50M
+    notifempty
     su zabbix zabbix
 }
diff --git a/Dockerfiles/snmptraps/ol/conf/etc/logrotate.d/zabbix_snmptraps b/Dockerfiles/snmptraps/ol/conf/etc/logrotate.d/zabbix_snmptraps
index 70d611eee..2f2994e71 100644
--- a/Dockerfiles/snmptraps/ol/conf/etc/logrotate.d/zabbix_snmptraps
+++ b/Dockerfiles/snmptraps/ol/conf/etc/logrotate.d/zabbix_snmptraps
@@ -3,6 +3,7 @@
     missingok
     daily
     rotate 0
-    minsize 50M notifempty
+    minsize 50M
+    notifempty
     su zabbix zabbix
 }
diff --git a/Dockerfiles/snmptraps/rhel/conf/etc/logrotate.d/zabbix_snmptraps b/Dockerfiles/snmptraps/rhel/conf/etc/logrotate.d/zabbix_snmptraps
index 70d611eee..2f2994e71 100644
--- a/Dockerfiles/snmptraps/rhel/conf/etc/logrotate.d/zabbix_snmptraps
+++ b/Dockerfiles/snmptraps/rhel/conf/etc/logrotate.d/zabbix_snmptraps
@@ -3,6 +3,7 @@
     missingok
     daily
     rotate 0
-    minsize 50M notifempty
+    minsize 50M
+    notifempty
     su zabbix zabbix
 }
diff --git a/Dockerfiles/snmptraps/ubuntu/conf/etc/logrotate.d/zabbix_snmptraps b/Dockerfiles/snmptraps/ubuntu/conf/etc/logrotate.d/zabbix_snmptraps
index 70d611eee..2f2994e71 100644
--- a/Dockerfiles/snmptraps/ubuntu/conf/etc/logrotate.d/zabbix_snmptraps
+++ b/Dockerfiles/snmptraps/ubuntu/conf/etc/logrotate.d/zabbix_snmptraps
@@ -3,6 +3,7 @@
     missingok
     daily
     rotate 0
-    minsize 50M notifempty
+    minsize 50M
+    notifempty
     su zabbix zabbix
 }
diff --git a/env_vars/.env_srv b/env_vars/.env_srv
index f6a57262d..a7616371a 100644
--- a/env_vars/.env_srv
+++ b/env_vars/.env_srv
@@ -43,7 +43,6 @@ ZBX_ENABLE_SNMP_TRAPS=true
 # ZBX_HOUSEKEEPINGFREQUENCY=1
 # ZBX_MAXHOUSEKEEPERDELETE=5000
 # ZBX_PROBLEMHOUSEKEEPINGFREQUENCY=60
-# ZBX_SENDERFREQUENCY=30
 # ZBX_CACHESIZE=8M
 # ZBX_CACHEUPDATEFREQUENCY=10
 # ZBX_STARTDBSYNCERS=4